CN104151632A - Natural rubber-polyvinyl alcohol dual-degradation plastic film formula and preparation method thereof - Google Patents
Natural rubber-polyvinyl alcohol dual-degradation plastic film formula and preparation method thereof Download PDFInfo
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- CN104151632A CN104151632A CN201410342401.5A CN201410342401A CN104151632A CN 104151632 A CN104151632 A CN 104151632A CN 201410342401 A CN201410342401 A CN 201410342401A CN 104151632 A CN104151632 A CN 104151632A
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Abstract
The invention discloses a natural-rubber rubber-polyvinyl alcohol dual-degradation plastic film formula and a preparation method thereof, and relates to the technical field of film production. The natural-rubber rubber-polyvinyl alcohol dual-degradation plastic film formula is prepared from the following raw materials in parts by weight: 100-110 parts of natural rubbers, 10-15 parts of butyl propionate, 2-3 parts of alcohol, 3-5 parts of titanium dioxide, 1-2 parts of formaldehyde, 2-3 parts of ammonia water, 15-20 parts of epoxy resin, 2-5 parts of tetramethyl thiuram tetrasulfide, 60-70 parts of olyvinyl alcohol, 15-20 parts of artemisia glue, 12-18 parts of hydroxy propyl cellulose, 7-15 parts of pullulan, 13-16 parts of nao silicon dioxide, 15-20 parts of zinc stearate, 14-18 parts of oxidized polyethlene wax, 12-17 parts of ethyl silicon oil, 13-15 parts of calcium carbonate, 4-10 parts of glutaraldehyde and 13-15 parts of octadecanol. The plastic film prepared by the preparation method has a biodegradation effect and a light degradation effect, and can be used for effectively solving a white pollution problem brought by a fact that the common plastic film is difficult to degrade.
Description
Technical field:
The present invention relates to thin film fabrication techniques field, be specifically related to a kind of natural rubber-polyvinyl alcohol double degradation plastic film formula and preparation method thereof.
Background technology:
Pollution environment being brought in order to solve the plastic membrane product such as packing bag, refuse bag, investigator is being devoted to develop the plastics film of environmentally safe always both at home and abroad.Biodegradable plastic film material comprises synthetic materials and natural macromolecular material, due to natural macromolecular material aboundresources and renewable, therefore especially noticeable.But contain great amount of hydroxy group on natural rubber molecular chain, and easily in molecular chain, form hydrogen bond outward with molecular chain, therefore indissoluble, infusibility, and poor water resistance, one meets water or long-term storage easy moisture that absorbs in damp atmosphere, affects its stability.
At present had a lot of reports with the research of natural rubber-polyvinyl alcohol fully biodegradable plastics film, but wherein prepared natural rubber-polyvinyl alcohol degradative plastics still exist degradation speed slowly, the problem such as the compatible blend of natural rubber and polyvinyl alcohol based polymer is bad.
Summary of the invention:
Technical problem to be solved by this invention is to provide that a kind of production cost is low, technique is simple, environment amenable natural rubber-polyvinyl alcohol double degradation plastic film formula and preparation method thereof.
Technical problem to be solved by this invention adopts following technical scheme to realize:
A kind of natural rubber-polyvinyl alcohol double degradation plastic film, it is characterized in that, raw material by following mass fraction is made: natural rubber 100-110 part, butyl propionate 10-15 part, ethanol 2-3 part, titanium dioxide 3-5 part, formaldehyde 1-2 part, ammoniacal liquor 2-3 part, epoxy resin 15-20 part, four sulfuration tetramethyl thiuram 2-5 parts, polyvinyl alcohol 60-70 part, artemisia glue 15-20 part, hydroxypropylcellulose 12-18 part, pulullan polysaccharide 7-15 part, nano silicon 13-16 part, Zinic stearas 15-20 part, oxidized polyethlene wax 14-18 part, ethyl silicon oil 12-17 part, calcium carbonate 13-15 part, glutaraldehyde 4-10 part, stearyl alcohol 13-15 part.
The particle diameter of described nano silicon is 20-100nm.
A preparation method for natural rubber-polyvinyl alcohol double degradation plastic film, is characterized in that, comprises the steps:
Step a: natural rubber, butyl propionate, ethanol, formaldehyde and ammoniacal liquor are added to chuck reacting by heating still, heat up gradually, in 1 hour, be warming up to 120-150 DEG C, at this temperature, constantly stir, mixing speed is 100r/min, reaction times is 1 hour, then stops heating, naturally cooling, keep 1-2 hour, naturally dry, finally again move in reactor, add titanium dioxide, stir 1 hour, obtain hot glue;
Step b: first hot glue and carboxy-propyl cellulose, glutaraldehyde, the oxidized polyethlene wax of 1/3-1/2 and the polyvinyl alcohol of 1/4-1/3 are put into baking oven and dry, then extrude, make biodegradable master batch after water-cooled, cutting through twin screw extruder;
Step c: first the polyvinyl alcohol of artemisia glue, pulullan polysaccharide, nano silicon, Zinic stearas, stearyl alcohol and 1/4-1/3 is mixed evenly, then extrude, make photodegradation masterbatch after water-cooled, cutting through twin screw extruder;
Steps d: add ethyl silicon oil, calcium carbonate, remaining oxidized polyethlene wax and polyvinyl alcohol in the biodegradable master batch making and photodegradation masterbatch, then use through twin screw extruder and extrude, make mother raw material degradable after water-cooled, cutting, obtain aimed thin film goods finally by inflation film manufacturing machine blown film.
The invention has the beneficial effects as follows: the plastics film that the present invention makes has biological and the dual Degradation of light, can effectively solve the white pollution problems that common plastic film difficult degradation brings, and production technique is simple, cost is low, is conducive to suitability for industrialized production.
Embodiment:
For technique means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, further set forth the present invention below in conjunction with embodiment.
Embodiment 1:
A kind of natural rubber-polyvinyl alcohol double degradation plastic film, raw material by following mass fraction is made: 100 parts of natural rubbers, 10 parts of butyl propionates, 2 parts of ethanol, 3 parts of titanium dioxides, 1 part, formaldehyde, 2 parts of ammoniacal liquor, 60 parts of polyvinyl alcohol, 15 parts of artemisia glue, 12 parts of hydroxypropylcelluloses, 7 parts of pulullan polysaccharides, 13 parts of nano silicons, 15 parts of Zinic stearass, 14 parts of oxidized polyethlene wax, 12 parts of ethyl silicon oils, 13 parts, calcium carbonate, 4 parts of glutaraldehyde, 13 parts of stearyl alcohol.
Embodiment 2:
A kind of natural rubber-polyvinyl alcohol double degradation plastic film, raw material by following mass fraction is made: 110 parts of natural rubbers, 15 parts of butyl propionates, 3 parts of ethanol, 5 parts of titanium dioxides, 2 parts, formaldehyde, 3 parts of ammoniacal liquor, 70 parts of polyvinyl alcohol, 20 parts of artemisia glue, 18 parts of hydroxypropylcelluloses, 15 parts of pulullan polysaccharides, 16 parts of nano silicons, 20 parts of Zinic stearass, 18 parts of oxidized polyethlene wax, 17 parts of ethyl silicon oils, 15 parts, calcium carbonate, 10 parts of glutaraldehyde, 15 parts of stearyl alcohol.
The operation steps that the composition of raw materials of employing embodiment 1-2 is prepared natural rubber-polyvinyl alcohol double degradation plastic film is as follows:
Step a: natural rubber, butyl propionate, ethanol, formaldehyde and ammoniacal liquor are added to chuck reacting by heating still, heat up gradually, in 1 hour, be warming up to 120-150 DEG C, at this temperature, constantly stir, mixing speed is 100r/min, reaction times is 1 hour, then stops heating, naturally cooling, keep 1-2 hour, naturally dry, finally again move in reactor, add titanium dioxide, stir 1 hour, obtain hot glue;
Step b: first hot glue and carboxy-propyl cellulose, glutaraldehyde, the oxidized polyethlene wax of 1/3-1/2 and the polyvinyl alcohol of 1/4-1/3 are put into baking oven and dry, then extrude, make biodegradable master batch after water-cooled, cutting through twin screw extruder;
Step c: first the polyvinyl alcohol of artemisia glue, pulullan polysaccharide, nano silicon, Zinic stearas, stearyl alcohol and 1/4-1/3 is mixed evenly, then extrude, make photodegradation masterbatch after water-cooled, cutting through twin screw extruder;
Steps d: add ethyl silicon oil, calcium carbonate, remaining oxidized polyethlene wax and polyvinyl alcohol in the biodegradable master batch making and photodegradation masterbatch, then use through twin screw extruder and extrude, make mother raw material degradable after water-cooled, cutting, obtain aimed thin film goods finally by inflation film manufacturing machine blown film.
The plastics film that the present invention makes has biological and the dual Degradation of light, and therefore its film degradation speed is considerably beyond common degradable film.The film degradation time of the present invention is 4-5 month, and the degradation time of common degradable film is 9-15 month.
The plastics film that the present invention makes can effectively solve the white pollution problems that common plastic film difficult degradation brings, and production technique is simple, cost is low, is conducive to suitability for industrialized production.
More than show and described ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and specification sheets, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (3)
1. natural rubber-polyvinyl alcohol double degradation plastic film, it is characterized in that, raw material by following mass fraction is made: natural rubber 100-110 part, butyl propionate 10-15 part, ethanol 2-3 part, titanium dioxide 3-5 part, formaldehyde 1-2 part, ammoniacal liquor 2-3 part, epoxy resin 15-20 part, four sulfuration tetramethyl thiuram 2-5 parts, polyvinyl alcohol 60-70 part, artemisia glue 15-20 part, hydroxypropylcellulose 12-18 part, pulullan polysaccharide 7-15 part, nano silicon 13-16 part, Zinic stearas 15-20 part, oxidized polyethlene wax 14-18 part, ethyl silicon oil 12-17 part, calcium carbonate 13-15 part, glutaraldehyde 4-10 part, stearyl alcohol 13-15 part.
2. a kind of natural rubber-polyvinyl alcohol double degradation plastic film according to claim 1, is characterized in that: the particle diameter of described nano silicon is 20-100nm.
3. a preparation method for natural rubber-polyvinyl alcohol double degradation plastic film, is characterized in that, comprises the steps:
Step a: natural rubber, butyl propionate, ethanol, formaldehyde and ammoniacal liquor are added to chuck reacting by heating still, heat up gradually, in 1 hour, be warming up to 120-150 DEG C, at this temperature, constantly stir, mixing speed is 100r/min, reaction times is 1 hour, then stops heating, naturally cooling, keep 1-2 hour, naturally dry, finally again move in reactor, add titanium dioxide, stir 1 hour, obtain hot glue;
Step b: first hot glue and carboxy-propyl cellulose, glutaraldehyde, the oxidized polyethlene wax of 1/3-1/2 and the polyvinyl alcohol of 1/4-1/3 are put into baking oven and dry, then extrude, make biodegradable master batch after water-cooled, cutting through twin screw extruder;
Step c: first the polyvinyl alcohol of artemisia glue, pulullan polysaccharide, nano silicon, Zinic stearas, stearyl alcohol and 1/4-1/3 is mixed evenly, then extrude, make photodegradation masterbatch after water-cooled, cutting through twin screw extruder;
Steps d: add ethyl silicon oil, calcium carbonate, remaining oxidized polyethlene wax and polyvinyl alcohol in the biodegradable master batch making and photodegradation masterbatch, then use through twin screw extruder and extrude, make mother raw material degradable after water-cooled, cutting, obtain aimed thin film goods finally by inflation film manufacturing machine blown film.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105037825A (en) * | 2015-07-24 | 2015-11-11 | 南通慧源塑胶有限公司 | Environment-friendly double-degradable plastic |
| CN105400030A (en) * | 2015-11-25 | 2016-03-16 | 阜南县胜天新能源开发有限公司 | Packing bag made of crop stalk finished product |
| CN106279799A (en) * | 2016-08-08 | 2017-01-04 | 苏州极地实业有限公司 | A kind of environment-friendly type biodegradable plastic |
| CN106313242A (en) * | 2016-08-18 | 2017-01-11 | 阜南县明强柳编工艺品有限公司 | Plank surface burr remover and preparation method thereof |
| CN107474328A (en) * | 2017-08-14 | 2017-12-15 | 马鞍山中粮生物化学有限公司 | A kind of agriculture film special and preparation method thereof |
| CN115160617A (en) * | 2022-08-25 | 2022-10-11 | 浙江富晟科技股份有限公司 | Process for producing thin film |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105037825A (en) * | 2015-07-24 | 2015-11-11 | 南通慧源塑胶有限公司 | Environment-friendly double-degradable plastic |
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| CN106313242A (en) * | 2016-08-18 | 2017-01-11 | 阜南县明强柳编工艺品有限公司 | Plank surface burr remover and preparation method thereof |
| CN107474328A (en) * | 2017-08-14 | 2017-12-15 | 马鞍山中粮生物化学有限公司 | A kind of agriculture film special and preparation method thereof |
| CN115160617A (en) * | 2022-08-25 | 2022-10-11 | 浙江富晟科技股份有限公司 | Process for producing thin film |
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| CN104151632B (en) | 2016-03-02 |
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